123241403100440 has 64 divisors (see below), whose sum is σ = 278208216112320. Its totient is φ = 49133910784000.

The previous prime is 123241403100427. The next prime is 123241403100451. The reversal of 123241403100440 is 44001304142321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149378660 + ... + 150201420.

It is an arithmetic number, because the mean of its divisors is an integer number (4347003376755).

Almost surely, 2^{123241403100440} is an apocalyptic number.

123241403100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123241403100440 is an abundant number, since it is smaller than the sum of its proper divisors (154966813011880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123241403100440 is a wasteful number, since it uses less digits than its factorization.

123241403100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835124 (or 835120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 123241403100440 its reverse (44001304142321), we get a palindrome (167242707242761).

The spelling of 123241403100440 in words is "one hundred twenty-three trillion, two hundred forty-one billion, four hundred three million, one hundred thousand, four hundred forty".